用有限元方法对平面应力条件下弹塑性材料的裂纹尖端应力应变场进行了计算。
The crack tip stress-strain field of elastic-plastic materials are analysed by finite element method in the plane stress condition.
采用弹粘塑性力学模型，对扩展裂纹尖端的应力和应变场进行了渐近分析。
An elastic_viscoplastic model is adopted to investigate asymptotically the stress and strain fields at a propagating crack_tip.
得到了幂率型非线性粘弹性材料，特别是改性聚丙稀的裂纹尖端应力、应变和位移场的解答。
The solution of the crack-tip stress, strain fields for the power law type nonlinear viscoelastic materials, especially for the modified polypropylene, is obtained.
弹性-粘塑性模型对反平面剪切扩展裂纹尖端的应力应变场进行了分析。
An elastic viscoplastic model is used to analyse stress and strain fields at the tip of a propagating crack under antiplane shear.
根据问题的边界条件，通过对控制方程进行数值求解，得到了裂纹尖端的连续的应力、应变和位移场。
Numerical solutions of governing equations are obtained in combination with boundary conditions of each problem, and the fully continuous stress, strain and displacement in crack-tip field is found.
并采用三维有限元数值法分析了裂纹尖端的应力应变场。
Three dimensional finite element method was used to analyse the stress and the strain in the vicinity of crack tip.
利用断裂力学中的裂纹尖端应力和应变场的极值分布情况，可以从根本上解决这一问题。
These can be essentially obtained by the distribution analyses of the stress and strain extreme values near the crack tips according to the theory of fracture mechanics.
利用断裂力学中的裂纹尖端应力和应变场的极值分布情况，可以从根本上解决这一问题。
These can be essentially obtained by the distribution analyses of the stress and strain extreme values near the crack tips according to the theory of fracture mechanics.
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